1.What are the causes of transients? 2.Name the different types of transients. 3.Define Restriking Voltage. 4.What is meant by current chopping? 5.What are the protective devices used to protect power system equipments against lightning? 6. What are the properties of a good transmission line? 7. What is the importance of Bewley's Lattice Diagram? 8. Draw the equivalent circuit for an infinitesimal element of a line. 9. Mention any four causes of switching surge. 10. State the applications of EMTP.

PARTB-(5 x 16= 80 marks)

11.(a)(i)Write a short note on voltage surge.(8) (ii)Give a brief note about the importance of transient study in planning.(8)

or (b)(i)What are the various types of transients?(8) (ii)Discuss about the effects of transients on power systems.(8)

12.(a)Derive an expression for the transient currents.in a RLC circuit when: (i)R=0(8) (ii)R2/4V=1ILC(8)